Please note that this is the last open beta for OnePlus 3 and OnePlus 3T, we will provide a stable version of OnePlus 3/3T for beta testers to migrate back to stable version of OxygenOS later this month to ensure beta testers will receive regular Android security patch update and so on.

Ice Cream SandwichJul 9, 2018

Android QJul 9, 2018

Okay, reading through note #5 it seems this is indeed the last beta build and next update will migrate all the beta testers back to the stable branch. However, this still doesn't clarify when we'll get the 8.1 update.

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we will get 8.1.
IF Beta would be based on 8.1., this could not have been the last Beta So they have to do a cut.

If you have already flashed an Open Beta (you are currently running the latest Open Beta) you will receive this new build as an OTA.

If you are not running open beta software and would like to, please refer to the flashing instructions and the full ROM found on the downloads page here: http://downloads.oneplus.com/ (requires full data wipe before updating from stable to open beta)

Once you migrate to the Beta path, you will continue to receive Open Beta OTAs. You will no longer receive the regular Official Stable OTAs.

Moving back to the Official OTA path from the Beta path will require a full install and clean flash (FULL WIPE of all data and cache)

Please note that this is the last open beta for OnePlus 3 and OnePlus 3T, we will provide a stable version of OnePlus 3/3T for beta testers to migrate back to stable version of OxygenOS later this month to ensure beta testers will receive regular Android security patch update and so on.

Make sure to let us know how you feel about the beta builds here in the thread too, we are watching.

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Have we been waiting for this nonsense? No....
Why do op3&3t owners need to wait long for 8.1 which is already released for op5 & 5t?

Don't you guys like to follow Apple's way of delivering updates? Old devices should be updated first or at the same time.